package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.PermissionDao;
import com.itheima.dao.RoleDao;
import com.itheima.dao.UserDao;
import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Set;

/**
 * 代码使我快乐 Administrator on 2019/12/11.
 */
@Service(interfaceClass = UserService.class)
@Transactional
public class UserServiceImpl implements UserService {

    @Autowired
    private UserDao userDao;
    @Autowired
    private RoleDao roleDao;
    @Autowired
    private PermissionDao permissionDao;

    @Override
    public User findByUsername(String username) {
       User user =  userDao.findByUsername(username);
       if (user == null) {
           return null;
       }
        Integer userId = user.getId();
       Set<Role> roles = roleDao.findByUserId(userId);
       if(roles != null && roles.size()>0){
           for (Role role : roles) {
               Integer roleId = role.getId();
              Set<Permission> permissions = permissionDao.findByRoleId(roleId);
              if(permissions != null && permissions.size()>0){
                  role.setPermissions(permissions);
              }
           }
           user.setRoles(roles);
       }

        return user;
    }
}
